Home / 3,059,785,547.40-4,589,678,321.10-989,716,564.20

Finding the Fourth Proportional to 3,059,785,547.40, 4,589,678,321.10 and 989,716,564.20

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Solution

The fourth proportional to 3,059,785,547.40, 4,589,678,321.10 and 989,716,564.20 is: 1,484,574,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059,785,547.40 : 4,589,678,321.10 = 989,716,564.20 : x
  2. Step 2: Convert to fraction form
    3,059,785,547.40/4,589,678,321.10 = 989,716,564.20/x
  3. Step 3: Cross multiply
    3,059,785,547.40x = 4,589,678,321.10 × 989,716,564.20
  4. Step 4: Simplify right side
    3,059,785,547.40x = 4,542,480,658,742,317,056
  5. Step 5: Solve for x
    x = 4,542,480,658,742,317,056/3,059,785,547.40
  6. Step 6: Final answer
    x = 1,484,574,846.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.